Science
Mars: how scientists prevent Earth’s microbes from contaminating other planets – The Conversation UK
The space laws designed to protect planets and moons from contamination.
There are two planned Mars landings in 2021. First, Nasas Perseverance rover is due to land on the planet later this month. Then Chinas Tianwen rover will follow in May. Both missions intend to search the planet for signs of life.
But how do we make sure when our landers touch down on the red planets surface, nothing unwanted is landing with them? If we arent careful, we could be spreading all sorts of life like in 2019, when a spacecraft crashed onto the moons surface with a cargo of tiny, almost…
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